National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Regional Weather Roundup
Issued by NWS

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354
ASUS43 KLOT 080206
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CST SUN DEC 07 2025

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
  REPORT WEATHER SUCH AS PRECIPITATION OR FOG.

ILZ001-002-007-009-015-016-024-080300-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLEAR     13   1  59 N5        30.37R WCI   5 TC -11
STERLING*      CLEAR      9   2  73 N7        30.38F WCI  -2 TC -13
$$

ILZ003-004-008-010-011-017-018-080300-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLEAR      6   0  76 NW3       30.38R TC -14
DE KALB*       MOCLDY     6   1  77 NW8       30.33S WCI  -7 TC -14
PERU*          CLEAR      6  -2  70 N10       30.35F WCI  -9 TC -15
$$

ILZ005-006-012>014-019>023-080300-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  MOCLDY    18   9  68 N15       30.29S WCI   4 TC  -8
CHICAGO-MIDWAY CLOUDY    21  13  71 NW13      30.30R WCI   9 TC  -6
AURORA         CLOUDY    10   4  76 N10       30.32S WCI  -4 TC -12
JOLIET*        CLOUDY    21  10  63 CALM      30.33R TC  -6
WAUKEGAN       PTCLDY    15   6  67 N10G17    30.31R WCI   2 TC  -9
DUPAGE AIRPORT CLOUDY    17   8  67 N10       30.30R WCI   5 TC  -8
WHEELING       CLOUDY    18   9  68 N10       30.33R WCI   6 TC  -8
MORRIS*        CLOUDY    15   8  75 NW10      30.33R WCI   2 TC  -9
ROMEOVILLE*    MOCLDY    19  10  68 NW3       30.31R TC  -7
LANSING*       CLOUDY    29  14  53 NE13      30.28R WCI  19 TC  -1
NORTHERLY ISL*   N/A     30  18  60 NE18        N/A  WCI  18 TC  -1
$$

LMZ740>746-080300-
SOUTHERN LAKE MICHIGAN

STATION/POSITION SKY/WX   TEMP    WIND        PRES    VSBY  WAVE
                          AIR SEA DIR/SP/G                  HT/PER
                          (F)     (DEG/KT/KT) (MB)    (MI)  (FT/S)
S. MID LAKE BUOY           29 44   40/ 16/ 21 1027.2R         5/ 6
HARRISON CRIB              31      40/ 24/ 27   N/A
NORTHERLY ISL              29      10/ 10/ 18   N/A
CALUMET HARBOR             30      20/ 14/ 20 1024.6
BURNS HARBOR               28      60/ 13/ 15 1026.1R
MICHIGAN CITY              25      50/ 18/ 20 1026.1R
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-080300-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    22  17  81 N15       30.32S WCI   9 TC  -6
GALESBURG*     CLEAR      8   6  91 NW7       30.37R WCI  -3 TC -13
MACOMB*        CLEAR     12   7  80 NW13      30.37S WCI  -3 TC -11
JACKSONVILLE*  CLOUDY    22  16  76 N14       30.34R WCI   9 TC  -5
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-080300-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLEAR     13   6  75 NW10      30.32R WCI  -1 TC -11
BLOOMINGTON    CLOUDY    18  15  88 N14       30.30R WCI   4 TC  -8
DECATUR        CLOUDY    24  20  84 N13       30.27R WCI  12 TC  -4
PEORIA         CLEAR     14   5  67 N5        30.35R WCI   6 TC -10
LACON*         CLEAR     12   3  67 N7        30.35S WCI   2 TC -11
LINCOLN*       CLOUDY    22  13  70 N9        30.32R WCI  12 TC  -6
SPRINGFIELD    CLOUDY    22  18  85 N14       30.31R WCI   9 TC  -6
TAYLORVILLE    CLOUDY    23  20  87 N17       30.29R WCI  10 TC  -5
$$

ILZ033-039-045-046-055>057-062-063-080300-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLOUDY    27  21  78 N18G26    30.25R WCI  14 TC  -3
RANTOUL*       CLOUDY    25  19  77 N17       30.26R WCI  11 TC  -4
MATTOON        CLOUDY    30  27  88 N20G32    30.21R WCI  17 TC  -1
PARIS*         CLOUDY    32  28  83 N8        30.21R WCI  25 TC   0
$$

ILZ079-100>102-080300-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLOUDY    30  25  80 N13       30.28R WCI  20 TC  -1
BELLEVILLE     CLOUDY    33  27  80 N14       30.23R WCI  23 TC   1
CAHOKIA*       CLOUDY    33  27  78 N13       30.27R WCI  24 TC   1
SPARTA*        CLOUDY    32  32 100 N8        30.24R FOG     WCI  25
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-080300-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLOUDY    36  33  89 N8        30.19R FOG     WCI  30
CAIRO*         CLOUDY    40  38  91 N14       30.16R TC   5
EFFINGHAM*     CLOUDY    32  30  92 NW9       30.23R WCI  24 TC   0
MT. VERNON     CLOUDY   N/A N/A N/A N9        30.19R
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         CLOUDY    35  31  85 N10       30.20R WCI  27 TC   2
METROPOLIS*    DRIZZLE   41  40  97 CALM      30.14R TC   5
$$

ILZ067-068-072-073-078-083-087-091-080300-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLOUDY    36  29  75 NE14      30.18S WCI  27 TC   2
FLORA*         CLOUDY    36  30  80 N8        30.20R WCI  29 TC   2
FAIRFIELD*     CLOUDY    36  31  84 N10       30.18S WCI  28 TC   2
HARRISBURG*    CLOUDY    37  34  91 N9        30.16S FOG     WCI  30
ROBINSON*      CLOUDY    34  30  86 NE13      30.18R WCI  25 TC   1
$$

ABBREVIATIONS USED IN REMARKS
   TC - TEMPERATURE IN CELSIUS
  WCI - WIND CHILL INDEX
   HX - HEAT INDEX
  VSB - VISIBILITY
$$